Accessibility Statement


Effortlessly transition from corded to cordless without compromising performance. Balanced with a unique ergonomic battery for optimum performance and handling, the RTSC 400 provides the same functionality as its corded counterpart but with the option to use it cordless or corded. Well suited for a wide range of one-handed applications, the RTSC 400 is ideal for working on flat, vertical and overhead surfaces because of its compact design and weight of only 1.4kg.


  • Balanced design and formed, rubberized grip combine for ultimate comfort and control
  • Protector guard protects pad and abutting surfaces from damage
  • Highly effective dust extraction for cleaner surfaces and work environment
  • The 18V battery pack and the brushless EC-TEC motor ensure power similar to an AC-powered tool
  • Battery packs have a capacity of 3.1 Ah
  • For continuous electrical operation, the battery pack can be replaced with the AC adapter (included in the set and available as an accessory)

Main Applications:

  • Cable-free sanding where there is no power connection (e.g., outdoors or on scaffolding)
  • Situations where the power cable and suction hose would be in the way (e.g., vertical surfaces, overheard sanding, rendering edges)
  • Ideal for vertical surfaces or overhead work
  • One-handed sander for small and narrow surfaces

Accessories Included:

  • Long-life dust bag
  • Edge protector
  • StickFix soft sanding pad 80mm × 130mm (3 5/32" × 5 1/8")
  • Systainer SYS3 M 187 case
  • BP 18 Li 3.1 ERGO battery pack (2)
  • Rapid charger TCL 6

To order replacement parts for Festool products, please contact our customer service department.


Technical Data for RTSC 400 Cordless Orbital Sander

Battery voltage: 18 V

Speed: 6,000 opm - 10,000 opm

Sanding stroke: 2mm (5/64")

Interchangeable sanding pad dia.: 80mm × 130mm (3 5/32" × 5 1/8")

Dust extraction connection dia.: 27mm

Weight with Li-ion battery: 1.4kg (2.6 lb)

Li-ion battery capacity: 3.1 Ah

Li-ion battery charging time: 30 min.

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